Certo, S. C. P. (1991). Strategic management: Concepts and applications (2 edition.).
Παραπομπή Chicago StyleCerto, Samuel C; Peter. Strategic Management: Concepts and Applications. 2 edition. Mc Graw Hill: New York, 1991.
Παραπομπή MLACerto, Samuel C; Peter. Strategic Management: Concepts and Applications. 2 edition. 1991.
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